zscoder

Practice: 

Multiples of 3, Addition and Multiplication, Chef and the stones, Oracle Devu and Longest Common Subsequence, Mario and Luigi, Alternating subarray prefix, Parity tree, Hououin Kyouma and Xorsack, For The Lack Of A Better Title, Tree Cake, Xortest Path, Tree Balancing, Bear and Shuffled Points, Strange Transform, Spectacular Activity Selection

January Long Challenge 2016: 

Rupsa and the Game, Churu and Balls, Chef and Making Triples, Chef and Time Machine, Devu and Perfume

February Challenge 2016: 

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum

April Challenge 2016: 

Amazing Experiment, Mario and Luigi, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring, Game of snakes on a grid

May Challenge 2016: 

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016: 

Chef And The Hiring Event, Chef and Rectangle Array, Chef and New Game, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

August Challenge 2016: 

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016: 

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016: 

Sereja and Progressions, Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Power Sums, Chef and Two String, Tree Balancing, Bear and Shuffled Points

November Challenge 2016: 

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Kirito in Memeland, Chef and squares, Sereja and Ways in the Cube, Task for Alexey

December Challenge 2016: 

Train Partner, Kth Max Subarray, Chef and Finding Direction, Sereja and Increasing subsequence, Kirito in labyrinth, Edit Distance Revisited, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

July Lunchtime 2016: 

Drumpf for President!, Lumpy - The Bus Driver

August Lunchtime 2016: 

Studying Alphabet, Lock-Free Stack

September Lunchtime 2016: 

Chef and Inequality, Chef and Triangles

October Lunchtime 2016: 

FastFood Combos, The Largest Bouquet

November Lunchtime 2016: 

Chef and his Students, Chef and Square Set

December Lunchtime 2016: 

Superheroes and villains, Fly height mode

Past ZCO Problems: 

Tournament, Chewing, Video Game, Smart Phone, Variation

Codigo-2016: 

Sinchan and Cake

Techfest International Coding Challenge - Game of Codes: 

Rulers of Investments, Saving Search, Annual Party, Cafeteria Vendor

February Challenge 2017: 

Chef and Yoda, Eugene and big number, Interval Game, Sereja and Inversions, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017: 

Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

February Lunchtime 2017: 

Bear and House Queries, Bear and Milky Cookies, Bear and Bribing Tree, Bear and Oveflow Points

Past INOI Problems: 

Triathlon, Table Sum, Sequence Land, Free ticket

June Challenge 2017: 

Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

Problems Authored (30)

Problems Tested (0)

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Editorials Contributed (28)